regnskabsskolen.dk DNS records

🖥️ Nameservers2 records 106ms

Nameserver	IP addresses	PTR	ASN / ISP
chase.ns.cloudflare.com	108.162.195.156 162.159.44.156 172.64.35.156 2606:4700:58::a29f:2c9c 2803:f800:50::6ca2:c39c 2a06:98c1:50::ac40:239c	chase.ns.cloudflare.com chase.ns.cloudflare.com chase.ns.cloudflare.com chase.ns.cloudflare.com chase.ns.cloudflare.com chase.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.
connie.ns.cloudflare.com	108.162.192.247 172.64.32.247 173.245.58.247 2606:4700:50::adf5:3af7 2803:f800:50::6ca2:c0f7 2a06:98c1:50::ac40:20f7	connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com connie.ns.cloudflare.com	AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc. AS13335 Cloudflare, Inc.

🌍 A Records2 records 152ms

IP	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
188.114.96.3	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—
188.114.97.3	300s	—	AS13335	Cloudflare, Inc.	188.114.96.0/22	—	—

📧 MX Records3 records 148ms

Priority	TTL	Mail Server	IP addresses	PTR	ASN
10	300s	mx1-dk.centerasecurity.dk	128.76.60.167 128.76.60.187 89.233.19.127 89.233.19.127 89.233.19.188 89.233.19.188	mx6.centerasecurity.dk mx6.centerasecurity.dk 127.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 188.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
10	300s	mx2-dk.centerasecurity.dk	128.76.60.168 128.76.60.169 89.233.19.128 89.233.19.128 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk mx6.centerasecurity.dk 128.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S
20	300s	mx3-dk.centerasecurity.dk	128.76.60.187 89.233.19.129 89.233.19.129	mx6.centerasecurity.dk 129.0-254.19.233.89.in-addr.arpa mx14.centerasecurity.dk	AS3292 TDC Holding A/S AS3308 Norlys Digital A/S AS3308 Norlys Digital A/S

📧 Autodiscover / Autoconfig

Service	CNAME / IP
🔷 Autodiscover	autodiscover.outlook.com → 40.98.16.23

🔷 AAAA Records (IPv6)2 records 100ms

IPv6 Address	TTL	PTR	ASN	ISP / Org	CIDR	Country	City
2a06:98c1:3120::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—
2a06:98c1:3121::1	300s	—	AS13335	Cloudflare, Inc.	2a06:98c1:3120:0:0:0:0:0/46	—	—

🔐 HTTPS Records1 records 184ms

Priority	Target	SvcParams
1 service	.	alpn="h3,h2" ipv4hint=188.114.96.1,188.114.97.1 ech=AEX+DQBBngAgACClX+1r+fDot1mbE5COyr0qlfxfrdJttivWWBo3kiSRaQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2a06:98c1:3120::1,2a06:98c1:3121::1

📝 TXT Records3 records 1067ms

TXT Record
ca3-4bc82161554f44a88a2316d3beaff27f
MS=ms84817267
v=spf1 ip4:152.115.44.90 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:sendgrid.net include:_spf.createsend.com include:o._spf.hostedsepo.dk -all

✉️ SPF

Policy	Record (regnskabsskolen.dk)
-all (hard fail)	v=spf1 ip4:152.115.44.90 include:_spf.centerasecurity.dk include:spf.protection.outlook.com include:sendgrid.net include:_spf.createsend.com include:o._spf.hostedsepo.dk -all

📨 DMARC

Policy	Record (_dmarc.regnskabsskolen.dk)
p=reject	v=DMARC1; p=reject; rua=mailto:64103de38f8ac@dmarc.centerasecurity.com;

📬 MTA-STS

✗ No MTA-STS policy — SMTP TLS not enforced

📈 TLSRPT

✗ No TLSRPT record — no SMTP TLS failure reporting

📜 CAA Records

✗ No CAA records — any CA may issue certificates

🔏 ACME Challenge

Type	Name	Value
CNAME	_acme-challenge.regnskabsskolen.dk	regnskabsskolen.dk.kinstavalidation.app
TXT	regnskabsskolen.dk.kinstavalidation.app	9eQ_9RJzr0aaRt_McuN5rOcYl8yWmJ_-GwkYr5I3YxA
TXT	regnskabsskolen.dk.kinstavalidation.app	Y73Md9-LaKJMlNf7Vt1V6GOWbeiswK6wFTpnZIJkFas

🔗 TLSA / DANE6 records 473ms

Service / Owner	Type	Cert association
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx1-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx2-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	56315B43B892E9AEE184919EC6A5821C…
SMTP _25._tcp.mx3-dk.centerasecurity.dk	DANE-EE · SPKI · SHA-256	D4C349E7B72F5CF4A9CEA358F98947C2…

🔐 DNSSEC251ms

Check	Result
Validation Status	🔒 Secure
AD Flag (resolver validates)	✓ Set
DS Record	✓ Found
DNSKEY Record	✓ Found
Flags	fully validated

🏷️ SOA0ms

Field	Value
Serial	2412601101
Primary NS (MNAME)	chase.ns.cloudflare.com
Responsible (RNAME)	dns@cloudflare.com
Refresh	10000s
Retry	2400s
Expire	604800s
Minimum (neg-cache TTL)	1800s

📋 Registration

✗ No registration data — collected automatically when SOA serial changes

📋 WHOIS

⏱️ Lookup Timing

NS

106ms

A

152ms

MX

148ms

AAAA

100ms

TXT

1067ms

CAA

141ms

HTTPS

184ms

TLSA

473ms

SOA

0ms

MTA-STS

123ms

DNSSEC

251ms

SRV

964ms

Total

5805ms

🕐 Scan History

Scanned At	Duration	Records	DNSSEC
2026-08-19 07:44:17	5805ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-08-10 19:47:26	1610ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-27 01:31:28	1513ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-07-17 18:49:12	17238ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-26 19:34:50	1095ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-25 14:55:29	1052ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-20 17:34:28	1874ms	2 NS 2 A 3 MX	🔒 Secure	View
2026-06-17 12:58:21	4842ms	2 NS 2 A 3 MX	🔒 Secure	View